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resourcemanger: create cpu/memory monitor
Signed-off-by: Weizhen Wang <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_library") | ||
|
|
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| go_library( | ||
| name = "resourcemanage", | ||
| srcs = ["rm.go"], | ||
| importpath = "github.com/pingcap/tidb/resourcemanager", | ||
| visibility = ["//visibility:public"], | ||
| deps = [ | ||
| "//util", | ||
| "//util/cpu", | ||
| "//util/memory", | ||
| ], | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // Copyright 2022 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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|
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| package resourcemanager | ||
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|
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| import ( | ||
| "time" | ||
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| tidbutil "github.com/pingcap/tidb/util" | ||
| "github.com/pingcap/tidb/util/cpu" | ||
| "github.com/pingcap/tidb/util/memory" | ||
| ) | ||
|
|
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| // GlobalResourceManager is a global resource manager | ||
| var GlobalResourceManager = NewResourceManger() | ||
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| // ResourceManager is a resource manager | ||
| type ResourceManager struct { | ||
| cpuObserver *cpu.Observer | ||
| exitCh chan struct{} | ||
| wg tidbutil.WaitGroupWrapper | ||
| } | ||
|
|
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| // NewResourceManger is to create a new resource manager | ||
| func NewResourceManger() *ResourceManager { | ||
| return &ResourceManager{ | ||
| cpuObserver: cpu.NewCPUObserver(), | ||
| exitCh: make(chan struct{}), | ||
| } | ||
| } | ||
|
|
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| // Start is to start resource manager | ||
| func (r *ResourceManager) Start() { | ||
| r.wg.Run(r.cpuObserver.Start) | ||
| r.wg.Run(func() { | ||
| readMemTricker := time.NewTicker(memory.ReadMemInterval) | ||
| defer readMemTricker.Stop() | ||
| for { | ||
| select { | ||
| case <-readMemTricker.C: | ||
| memory.ForceReadMemStats() | ||
| case <-r.exitCh: | ||
| return | ||
| } | ||
| } | ||
| }) | ||
| } | ||
|
|
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| // Stop is to stop resource manager | ||
| func (r *ResourceManager) Stop() { | ||
| r.cpuObserver.Stop() | ||
| close(r.exitCh) | ||
| r.wg.Done() | ||
| } |
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